MXPA01002355A - Ketolide antibiotics - Google Patents
Ketolide antibioticsInfo
- Publication number
- MXPA01002355A MXPA01002355A MXPA/A/2001/002355A MXPA01002355A MXPA01002355A MX PA01002355 A MXPA01002355 A MX PA01002355A MX PA01002355 A MXPA01002355 A MX PA01002355A MX PA01002355 A MXPA01002355 A MX PA01002355A
- Authority
- MX
- Mexico
- Prior art keywords
- alkyl
- cr4r5
- aryl
- groups
- infection
- Prior art date
Links
- 239000003242 anti bacterial agent Substances 0.000 title abstract description 7
- 229940064005 Antibiotic throat preparations Drugs 0.000 title description 5
- 229940083879 Antibiotics FOR TREATMENT OF HEMORRHOIDS AND ANAL FISSURES FOR TOPICAL USE Drugs 0.000 title description 5
- 229940042052 Antibiotics for systemic use Drugs 0.000 title description 5
- 229940042786 Antitubercular Antibiotics Drugs 0.000 title description 5
- 229940093922 Gynecological Antibiotics Drugs 0.000 title description 5
- 229940024982 Topical Antifungal Antibiotics Drugs 0.000 title description 5
- 229940079866 intestinal antibiotics Drugs 0.000 title description 5
- 229940005935 ophthalmologic Antibiotics Drugs 0.000 title description 5
- 230000003115 biocidal Effects 0.000 title description 4
- 239000003835 ketolide antibiotic agent Substances 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims abstract description 89
- 239000011780 sodium chloride Substances 0.000 claims abstract description 33
- 150000003839 salts Chemical class 0.000 claims abstract description 31
- 206010060945 Bacterial infection Diseases 0.000 claims abstract description 19
- 206010037075 Protozoal infection Diseases 0.000 claims abstract description 16
- 201000010099 disease Diseases 0.000 claims abstract description 15
- 239000000651 prodrug Substances 0.000 claims abstract description 15
- 229940002612 prodrugs Drugs 0.000 claims abstract description 15
- 239000012453 solvate Substances 0.000 claims abstract description 7
- 239000008194 pharmaceutical composition Substances 0.000 claims abstract description 6
- -1 -NR4R5 Chemical group 0.000 claims description 37
- 125000000623 heterocyclic group Chemical group 0.000 claims description 31
- 125000000217 alkyl group Chemical group 0.000 claims description 24
- 125000003118 aryl group Chemical group 0.000 claims description 24
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 14
- 150000002367 halogens Chemical class 0.000 claims description 13
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 11
- 229910052736 halogen Inorganic materials 0.000 claims description 11
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 10
- 241000251468 Actinopterygii Species 0.000 claims description 8
- 241000124008 Mammalia Species 0.000 claims description 8
- 125000003342 alkenyl group Chemical group 0.000 claims description 8
- 125000004432 carbon atoms Chemical group C* 0.000 claims description 8
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 8
- 125000001424 substituent group Chemical group 0.000 claims description 8
- 239000003814 drug Substances 0.000 claims description 7
- 125000004429 atoms Chemical group 0.000 claims description 6
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 claims description 6
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 6
- 125000003601 C2-C6 alkynyl group Chemical group 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 5
- 125000001153 fluoro group Chemical group F* 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 125000004043 oxo group Chemical group O=* 0.000 claims description 5
- 125000000304 alkynyl group Chemical group 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000003937 drug carrier Substances 0.000 claims description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 3
- 125000005842 heteroatoms Chemical group 0.000 claims description 3
- 239000011630 iodine Chemical group 0.000 claims description 3
- 229910052740 iodine Inorganic materials 0.000 claims description 3
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical group II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 125000000027 (C1-C10) alkoxy group Chemical group 0.000 claims description 2
- 125000000852 azido group Chemical group *N=[N+]=[N-] 0.000 claims description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- 125000001584 benzyloxycarbonyl group Chemical group C(=O)(OCC1=CC=CC=C1)* 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 229910014585 C2-Ce Inorganic materials 0.000 claims 4
- 125000006656 (C2-C4) alkenyl group Chemical group 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 125000001589 carboacyl group Chemical group 0.000 claims 1
- 238000005658 halogenation reaction Methods 0.000 claims 1
- 201000009910 diseases by infectious agent Diseases 0.000 abstract description 34
- 239000003904 antiprotozoal agent Substances 0.000 abstract description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N methylene dichloride Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 38
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 21
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- 239000000203 mixture Substances 0.000 description 18
- 230000000875 corresponding Effects 0.000 description 16
- 239000003120 macrolide antibiotic agent Substances 0.000 description 15
- 239000000047 product Substances 0.000 description 14
- 238000001819 mass spectrum Methods 0.000 description 13
- 239000001184 potassium carbonate Substances 0.000 description 12
- 229910000027 potassium carbonate Inorganic materials 0.000 description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 239000000243 solution Substances 0.000 description 10
- 241000606856 Pasteurella multocida Species 0.000 description 9
- 239000002585 base Substances 0.000 description 9
- 125000004122 cyclic group Chemical group 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 8
- 239000012267 brine Substances 0.000 description 8
- 241001465754 Metazoa Species 0.000 description 7
- 238000011081 inoculation Methods 0.000 description 7
- 229940041033 Macrolides Drugs 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N acetic acid ethyl ester Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- WEVYAHXRMPXWCK-UHFFFAOYSA-N acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 6
- 239000000908 ammonium hydroxide Substances 0.000 description 6
- 238000004166 bioassay Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 6
- 238000004587 chromatography analysis Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 239000000284 extract Substances 0.000 description 6
- 239000000741 silica gel Substances 0.000 description 6
- 229910002027 silica gel Inorganic materials 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000001187 sodium carbonate Substances 0.000 description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 241000283690 Bos taurus Species 0.000 description 5
- 241001293418 Mannheimia haemolytica Species 0.000 description 5
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 5
- 241000193996 Streptococcus pyogenes Species 0.000 description 5
- 238000007792 addition Methods 0.000 description 5
- 125000006615 aromatic heterocyclic group Chemical group 0.000 description 5
- 229940079593 drugs Drugs 0.000 description 5
- 230000002401 inhibitory effect Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical group C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 239000003085 diluting agent Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 150000007522 mineralic acids Chemical class 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000006011 modification reaction Methods 0.000 description 4
- 230000003000 nontoxic Effects 0.000 description 4
- 231100000252 nontoxic Toxicity 0.000 description 4
- 150000007524 organic acids Chemical class 0.000 description 4
- 238000003752 polymerase chain reaction Methods 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 125000000882 C2-C6 alkenyl group Chemical group 0.000 description 3
- 241000282472 Canis lupus familiaris Species 0.000 description 3
- PFKFTWBEEFSNDU-UHFFFAOYSA-N Carbonyldiimidazole Chemical compound C1=CN=CN1C(=O)N1C=CN=C1 PFKFTWBEEFSNDU-UHFFFAOYSA-N 0.000 description 3
- 241000282326 Felis catus Species 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 241000606768 Haemophilus influenzae Species 0.000 description 3
- IUBQJLUDMLPAGT-UHFFFAOYSA-N Potassium bis(trimethylsilyl)amide Chemical compound C[Si](C)(C)N([K])[Si](C)(C)C IUBQJLUDMLPAGT-UHFFFAOYSA-N 0.000 description 3
- 229940076185 Staphylococcus aureus Drugs 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating Effects 0.000 description 3
- 125000002252 acyl group Chemical group 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 150000001408 amides Chemical class 0.000 description 3
- 125000000539 amino acid group Chemical group 0.000 description 3
- 230000000845 anti-microbial Effects 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
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- 238000010511 deprotection reaction Methods 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
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- 229910052757 nitrogen Inorganic materials 0.000 description 3
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- 238000000746 purification Methods 0.000 description 3
- BZKBCQXYZZXSCO-UHFFFAOYSA-N sodium hydride Chemical compound [H-].[Na+] BZKBCQXYZZXSCO-UHFFFAOYSA-N 0.000 description 3
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- NKLCNNUWBJBICK-UHFFFAOYSA-N Dess–Martin periodinane Chemical compound C1=CC=C2I(OC(=O)C)(OC(C)=O)(OC(C)=O)OC(=O)C2=C1 NKLCNNUWBJBICK-UHFFFAOYSA-N 0.000 description 2
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Abstract
This invention relates to compounds of the formula 1 and to pharmaceutically acceptable salts, prodrugs, and solvates thereof wherein X<1>, R<1>, R<2>, R<8>, R<9>and R<10>are as defined herein. The compounds of formula 1 are antibacterial and antiprotozoal agents that may be used to treat various bacterial and protozoal infections and disorders related to such infections. The invention also relates to pharmaceutical compositions containing the compounds of formula 1 and to methods of treating bacterial and protozoal infections by administering the compounds of formula 1.
Description
CETOLIDE ANTIBIOTICS
BACKGROUND OF THE INVENTION
This invention relates to new macrolide derivatives which are useful as antibacterial and antiprotozoal agents in mammals, including
to the human being, as well as in fish and birds. This invention also relates to
Pharmaceutical compositions containing the compounds and procedures
of treatment of bacterial and protozoal infections.
Macrolide antibiotics are known to be useful in the
treatment of a broad spectrum of bacterial and protozoal infections in mammals, fish and birds. Such antibiotics include various derivatives of erythromycin A such as azithromycin, which is commercially available and
citation in U.S. Patents 4,474,768, issued October 2, 1984 and 4,517,359, issued May 14, 1985. Other antibiotics
macrolides are described and claimed in the international PCT application
published WO 98/56800 (published December 17, 1998); patent of the
United States 5,527,780, issued June 18, 1996; PCT International Application Serial No. PCT / IB99 / 01502, filed on September 3, 1999; U.S. Provisional Patent Application Number 60/111728 (filed December 10, 1998); published PCT application WO 98/01546 (published January 15, 1998); published PCT application WO 98/01571 (published January 15, 1998); European patent patent application published number 949268 (published October 13, 1999); U.S. Patent 5,747,467 (issued May 5, 1998); and U.S. Provisional Patent Application Serial No. 60 / 117,342, filed January 27, 1999. Each of the patents and patent applications of the United States, and previous European and PCT International Patent Applications is incorporated in the present report as a reference in its entirety.
BRIEF DESCRIPTION OF THE INVENTION The present invention relates to compounds of formula
and to the pharmaceutically acceptable salts, prodrugs and solvates thereof, wherein: X1 is O, -CR4R5- or -NR4-; R is H or C1-C10 alkyl, with from 1 to 3 carbon atoms of said alkyl optionally replaced by a heteroatom selected from O, S
and the said alkyl optionally substituted with 1 to 3 substituents independently selected from the group consisting of -C- (O) O (C1-C10 alkyl), C1-C10 alkoxy, C1-6 alkanoyl C10, halogen, nitro, cyano, 4 to 10 membered heterocycle, C1-C10 alkyl, -NR4R5, Ce-Cio aryl, -S (O) n (C1-C10 alkyl), where n is an integer ranging from 0 a 2 and - S02NR4R5; R2 is - (CR4R5) n (4 to 10 membered heterocycle) or - (C- R4R5) n (Cd-Cio aryl), where n is an integer from 0 to 6, with from 1 to 3 groups R4 or R5 of the rest - (CR4R5) n- of the above R2 groups optionally substituted with a halogen substituent, and the heterocyclic and aryl residues of the above R2 groups being optionally substituted with 1 to 4 groups
R3; each R3 is independently selected from halogen, cyano, nitro, trifluoromethoxy, trifluoromethyl, azido, hydroxy, d-C-alkoxy, C1-C10 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, -C (O) R6, -C ( O) OR6, -OC (O) R6, -NR6C (O) R7, -NR6C (O) NR1R7, -NR6C (O) OR7, -C (O) NR6R7, -NR6R7, -NR6OR7, -SO2-NR6R7, -S- (0) j (Ci-Cé alkyl), where j is an integer from 0 to 2, - (CR 1 R 2) t (C 1 -C 10 aryl), - (CR 4 R 5) t (4 to 10 membered heterocycle), - (CR R5) qC (O) (CR4R5) t (aryl C6-C? O), - (CR4R5) qC (O) (CR4R5) t (heterocycle of 4 to 10 members), - (CR4-R5) tO (CR4R5) q (aryl C6-C? O), - (CR4-R5) tO (CR4R5) q (heterocycle of 4 to 10 members), - (CR4R5) q-SO2 (CR4R5) t (aryl Ce-Cío) and - (CR4R5) qS? 2 (CR4R5) t (4- to 10-membered heterocycle), each of q and t being, independently, an integer from 0 to 5, with 1 or 2 ring carbon atoms of the heterocyclic moieties of the above R3 groups optionally substituted with an oxo moiety (= O) and, with the alkyl, alkenyl, alkynyl, aryl and heterocyclic moieties of the above R3 groups optionally substituted with 1 to 3 substituents independently selected from halogen, cyano, nitro, trifluoromethyl, trifluoromethoxy, azido, -OR6, -C (O) R6, -C (O) -OR6, -OC (O) R6, -NR6C (O) R7, -C (O) NR6R7, -N-R6R7, -NR6OR7, C? -C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, - (CR4R5) t (Cd-Cio aryl ) and - (CR4R5) t (4- to 10-membered heterocycle), where t is an integer from 0 to 5; each of R and R5 is independently selected from H and Ci-Cβ alkyl; or R and R5 taken together form a C3-C7 carbocycle or a 4- to 10-membered heterocyclic ring; each of R and R is independently selected from H, C? -C6 alkyl, - (CR4R5) t (C6-C? o aryl), and - (CR4R5) t- (4- to 10-membered heterocycle), being t an integer from 0 to 5, with 1 or 2 carbon atoms of the ring of the heterocyclic group optionally substituted with an oxo moiety (= O), and the alkyl, aryl and heterocyclic moieties of the above groups R6 and R7 being optionally substituted with 1 to 3 substituents, independently selected from halogen, cyano, nitro, -NR4R5, trifluoromethyl, trifluoromethoxy, alkyl CI-CT, C2-C6 alkenyl, C2-C6 alkynyl, hydroxy and alkoxy
R is H, -C (O) (d-Cß alkyl), benzyl, benzyloxycarbonyl or (C 1 -C 6 alkyl) 3-Silyl;
R9 is H, C1-C10 alkyl, C2-C alkenyl or C2-C alkenyl; and 10 R is selected from chlorine, bromine, iodine, fluoro and cyano. Specific embodiments of the present invention include compounds of formula 2 (which is a specific embodiment within the genus of formula 1)
wherein R11, R12, R13 and R14 are each independently selected from H, halogen, methyl and ethyl. More specific embodiments include the compounds of formula 2, wherein R13 and R are H and each of R1 and R is independently selected from H and methyl. In a preferred embodiment of the compounds of formula 2, each of R 11, R 12, R 13 and R 14 are H. The invention further relates to a pharmaceutical composition for the treatment of a bacterial infection or a protozoal infection, or a disorder related to a bacterial or protozoal infection in a mammal, fish or bird, comprising a therapeutically effective amount of a compound of formula? , or one of the pharmaceutically acceptable salts or solvates thereof, and a pharmaceutically acceptable carrier. The invention further relates to a method for treating a bacterial infection or a protozoal infection, or a disorder related to a bacterial or protozoal infection in a mammal, fish or bird, comprising administering to said mammal, fish or bird a therapeutically effective amount of a compound of formula? , or one of the pharmaceutically acceptable salts or solvates thereof.
DETAILED DESCRIPTION OF THE INVENTION
All patents, patent applications and journalistic publications cited herein are incorporated herein by reference in their entirety. The term "treating", as used herein, unless otherwise indicated, means reversing, alleviating, inhibiting the progress or preventing the disorder or condition to which said term applies, or one or more symptoms of said disorder or condition. The term "treatment", as used herein, refers to the action of treating, being "treating" as it has just been defined. As used herein, unless otherwise indicated, the term "bacterial infection (s)", "protozoan infection (s)" and "disorders related to bacterial or protozoal infections "includes the following: pneumonia, otitis media, sinusitis, bronchitis, tonsillitis and mastoiditis, related to infection by Streptococcus pneumoniae, Haemophilus influenzae, Moraxella catarrhalis, Staphylococcus aureus, Enterococcus faecalis, E. faecium, E. casselflavus, S. epidermidis, S. haemolyticus or Peptostreptococcus spp .; pharyngitis, rheumatic fever and glomerulonephritis associated with infection by Streptococcus pyogenes, streptococci of groups C and G, Corynebacterium diptheriae or Actinobacillus haemolyticum; respiratory tract infections related to infection by Mycoplasma pneumoniae, Legionella pneumophila, Streptococcus pneumoniae, Haemophilus influenzae or Chlamydia pneumoniae; infections in the blood and tissues, including endocarditis and osteomyelitis, caused by S. aureus, S. haemolyticus, E. faecalis, E. faecium, E. durans, including strains resistant to antibacterials known as, although not limited to them , beta-lactams, vancomycin, aminoglycosides, quinolones, chloramphenicol, tetracyclines and macrolides; infections and abscesses of the skin and soft tissue without complications and puerperal fever related to infection by Staphylococcus aureus, coagulase-negative staphylococci (ie, S. epidermidis, S. hemolyticus, etc.), Streptococcus pyogenes, Streptococcus agalactiae, streptococcal groups CF (streptococci from small colonies), viridans streptococci, Corynebacterium minutissimum, Clostridium spp., Or Bartonella henselae; Acute urinary tract infections without complications related to infection by Staphylococcus aureus, coagulase negative Staphylococcus species or Enterococcus spp.; urethritis and cervicitis; sexually transmitted diseases related to infection by Chlamydia trachomatis, Haemophilus ducreyi, Treponema pallidum, Ureaplasma urealyticum or Neisseria gonorrheae; diseases caused by toxins related to S. aureus infection (intoxicated food and toxic shock syndrome) or streptococci of groups A, B and C; ulcers related to infection by Helicobacter pylori] systemic febrile syndromes related to infection by Borrelia recurrentis; Lyme disease related to Borrelia burgdorferi infection; conjunctivitis, keratitis and dacryocyst related to infection by Chlamydia trachomatis, Neisseria gonorrhoeae, S. aureus, S. pneumoniae, S. pyogenes, H. influenzae or Listeria spp .; Mycobacterium avium disseminated complex (MAC) related to infection by Mycobacterium avium or Mycobacterium intracellulare; infections caused by Mycobacterium tuberculosis, M. leprae, M. paratuberculosis, M. kansasii or M. chelonei; gastroenteritis related to Campylobacter jejuni infection; intestinal protozoa related to infection by Cryptosporidium spp., odontogenic infection related to viridans streptococcal infection; persistent cough related to Bordetella pertussis infection; Gas gangrene related to infection by Clostridium períringens or Bacteroides spp .; and atherosclerosis or cardiovascular disease related to infection by Helicobacter pylori or Chlamydia pneumoniae. Bacterial infections and protozoal infections and disorders related to such infections that can be treated or prevented in animals include the following: bovine respiratory disease related to infection by P. haemolytica, P. multocida, Mycoplasma bovis or Bordetella spp .; enteric disease of cattle related to infection by E. coli or protozoa (ie, coccidia, cryptosporidia, etc.); milk cow mastitis related to Staph infection. aureus, Streptococcus uberis, Streptococcus agalactiae, Streptococcus dysgalactiae, Klebsiella spp., Corynebacterium or Enterococcus spp .; the swine respiratory disease related to infection by A. pleuro., P. multocida or Mycoplasma spp .; enteric swine disease related to infection by E. coli, Lawsonia intracellularis, Salmonella or Serpulina hyodysinteriae; the necrosis of the hoof in cows related to the infection by Fusobacterium spp .; Metritis vaccine related to E. coli infection; hairy warts in cows related to infection by Fusobacterium necrophorum or Bacteroides nodosus; the red eye of the cows related to the infection by Moraxella bovis; premature bovine abortion related to infection caused by protozoa (ie, neosporium); urinary tract infection in dogs and cats related to E. coli infection; skin and soft tissue infections in dogs and cats related to infection by S. epidermidis, S. intermedius, Coagulase negative Staphylococcus or P. multocida; and dental or oral infections in dogs and cats related to infection by Alcaligenes spp., Bacteroides spp., Clostridium spp., Enterobacter spp., Eubacterium, Peptostreptococcus, Porphyromonas, or Prevotella. Other bacterial infections and protozoal infections and disorders related to such infections that can be treated or prevented according to the method of the present invention are cited in JP Sanford et al., "The Sanford Guide To Antimicrobial Therapy", 26th Edition (Antimicrobial Therapy, Inc., 1996). The term "halogen", as used herein, unless otherwise indicated, includes fluoro, chloro, bromo or iodo. Preferred halogen groups are fluoro, chloro and bromo. The term "alkyl", as used herein, unless otherwise indicated, includes saturated monovalent hydrocarbon radicals with linear, cyclic and / or branched moieties. It will be appreciated that to include cyclic moieties, the alkyl group should include at least 3 carbon atoms. The term "alkenyl", as used herein, unless otherwise indicated, includes alkyl groups as defined above that have at least one carbon-carbon double bond at some point in the chain. I rent. The term "alkynyl", as used herein, unless otherwise indicated, includes alkyl groups as defined above that have at least one carbon-carbon triple bond at some point in the chain. I rent. The term "aryl", as used herein, unless otherwise indicated, includes an organic radical derived from an aromatic hydrocarbon by removal of a hydrogen, such as phenyl or naphthyl.
The term "4- to 10-membered heterocycle", as used herein, unless otherwise indicated, includes aromatic and non-aromatic heterocyclic groups containing one or more heteroatoms, each selected from the group consisting of: , S and N, each of the heterocyclic groups having 4 to 10 carbon atoms in its ring system. The non-aromatic heterocyclic groups include groups having only 4 atoms in their ring system, but the aromatic heterocyclic groups should have at least 5 atoms in their ring system. Heterocyclic groups include ring systems fused with benzene and ring systems substituted with one or more oxo moieties. An example of a 4-membered heterocyclic group is azetidinyl (azetidine derivative). An example of a 5-membered heterocyclic group is thiazolyl and an example of a 10-membered heterocyclic group is quinolinyl. Examples of non-aromatic heterocyclic groups are pyrrolidinyl, tetrahydrofuranyl, tetrahydrothienyl, tetrahydropyranyl, tetrahydrothiopyranyl, piperidino, morpholino, thiomorpholino, thioxanil, piperazinyl, azetidinyl, oxepanyl, thietanyl, homopiperidinyl, oxetanyl, triestanyl, oxazepinyl, diazepinyl, thiazepinyl, 1, 2,3 , 6-tetrahydropyridinyl, 2-pyrrolinyl, 3-pyrrolinyl, indolinyl, 2H-pyranyl, 4H-pyranyl, dioxanyl, 1,3-dioxolanyl, pyrazolinyl, dithianyl, dithiolanyl, dihydropyranyl, dihydrothienyl, dihydrofuranyl, pyrazolidinyl, imidazolinyl, imidazolidinyl, -azabicyclo [3.1.0] hexanyl, 3-azabicyclo [4.1.0] heptanil, 3H-indolyl and quinolizinyl. Examples of aromatic heterocyclic groups are pyridinyl, imidazolyl, pyrimidinyl, pyrazolyl, triazolyl, pyrazinyl, tetrazolyl, furyl, thienyl, isoxazolyl, thiazolyl, oxazolyl, isothiazolyl, pyrrolyl, quinolinyl, isoquinolinyl, indolyl, benzoimidazolyl, benzofuranyl, cinolinyl, indazolyl, indolizinyl, phthalazinyl, pyridazinyl, triazinyl, isoindolyl, pteridinyl, purinyl, oxadiazolyl, thiadiazolyl, furazanyl, benzofurazanyl, benzothiophenyl, benzothiazolyl, benzoxazolyl, quinazolinyl, quinoxalinyl, naphthyridinyl and furopyridinyl. When possible, the above groups, when they come from the compounds listed above, may be linked by C or linked by N. For example, a group derived from pyrrole may be pyrrol-1-yl (N-linked) or pyrrole-3. -ilo (joined by C). The term "pharmaceutically acceptable salt (s)", as used herein, unless otherwise indicated, includes salts of acidic or basic groups that may be present in the compounds of formula ? . The compounds of formula? which are basic in nature can form a wide variety of salts with various inorganic and organic acids. Acids which can be used to prepare the pharmaceutically acceptable acid addition salts of said basic compounds of formula i are those which form non-toxic acid addition salts, ie salts containing pharmacologically acceptable anions, such as acetate salts, benzenesulfonate, benzoate, bicarbonate, bisulfate, bitartrate, borate, bromide, calcium edetate, camsylate, carbonate, chloride, clavulanate, citrate, dihydrochloride, edetate, edisilate, estolate, esylate, ethylsuccinate, fumarate, gluceptate, gluconate, glutamate, glycolylaminosanilate, hexylresorcinate , hydrabamine, hydrobromide, hydrochloride, iodide, isothionate, lactate, lactobionate, laureate, malate, mandelate, mesylate, methylsulfate, mucate, napsylate, nitrate, oleate, oxalate, pamoate (patented), palmitate, pantothenate, phosphate / diphosphate, polygalacturonate, salicylate, stearate, subacetate, succinate, tannate, tartrate, theoclate, tosylate, triethiodide and valerate. The compounds of formula I which are acidic in nature can form base salts with various pharmacologically acceptable cations. Examples of such salts include the alkali metal and alkaline earth metal salts and in particular, the sodium and potassium salts. Certain compounds of formula 1 can have asymmetric centers and, therefore, exist in different enantiomeric forms. This invention relates to the use of all optical isomers and stereoisomers of the compounds of formula 1 and mixtures thereof. In particular, the invention includes the E and Z isomers of the -OR group attached to the nitrogen of the oxime moiety at the C-9 position of the macrolide ring of formula 1. The invention further includes the tautomers of the compounds of formula JL The present invention includes in addition isotope-labeled compounds and pharmaceutically acceptable salts thereof, which are identical to those shown in formula 1, except for the fact that one or more atoms are replaced by an atom having an atomic mass or mass number different from that of the Atomic mass or mass number normally found in nature. Examples of isotopes that can be incorporated into the compounds of the invention include isotopes of hydrogen, carbon, nitrogen, oxygen, phosphorus, fluorine and chlorine such as 2H, 3H, 3C, 1 C, 15N, 18O, 17O, S, F and Cl , respectively. The compounds of the present invention, their prodrugs and the pharmaceutically acceptable salts of said compounds and of said prodrugs which contain the aforementioned isotopes and / or other isotopes of other atoms are within the scope of this invention. Certain isotopically-labeled compounds of the present invention, for example, those incorporating radioactive isotopes such as 3 H and 14 C, are useful in drug assays and / or distribution in substrate tissues. The isotopes with tritium, that is, 3H and with carbon 14, that is, 14C, are particularly preferred for their ease of preparation and detection. In addition, replacement with heavier isotopes such as deuterium, ie, 2H, may provide certain therapeutic advantages derived from increased metabolic stability, for example, a longer half-life in vivo, or from the need for lower doses and, therefore, They may be preferred in certain circumstances. The isotope-labeled compounds of the formula of this invention and their prodrugs can be prepared in a general manner by carrying out the procedures described in the Schemes and / or the following Examples and Preparations, substituting an isotope-labeled reagent with an isotope-labeled reagent. easily available. This invention further includes pharmaceutical compositions and methods for treating bacterial infections by administering prodrugs of the compounds of formula Compounds of formula 1 having free amino, amido, hydroxy or carboxylic groups can be converted into prodrugs. Prodrugs include compounds in which an amino acid residue, or a polypeptide chain of two or more (eg, two, three or four) amino acid residues are covalently linked via an amide or ester bond to an amino, hydroxy or carboxylic group free of the compounds of formula The amino acid residues include, but are not limited to, the 20 natural amino acids, commonly designated by three-letter symbols and also include 4-hydroxyproline, hydroxylysine, demosin, isodemosin, 3-methylhistidine, norvaline, beta-aianine, gamma-aminobutyric acid, citrulline, homocysteine, homoserin, ornithine and methionine sulfone. Other types of prodrugs are also contemplated. For example, free carboxyl groups can be derivatized in the form of amides or alkyl esters. Free hydroxy groups can be derivatized using groups including hemisuccinates, phosphate esters, dimethylaminoacetates and phosphoryloxymethyloxycarbonyls, but without being limited thereto, as described in Advanced Drug Delivery Reviews, 1996, 19, 115. The carbamate prodrugs of hydroxy groups and Amino are also included, as are carbonate prodrugs, sulfonate esters and sulfate esters of hydroxy groups. Derivatization of hydroxy groups is also included as esters of (acyloxy) methyl and of (acyloxy) ethyl in which the acyl group can be an alkyl ester, optionally substituted with groups including, but not limited to, ether, amine and carboxylic acid functional groups, or wherein the acyl group is an amino acid ester as described above. Prodrugs of this type are described in J. Med. Chem. 1996, 39, 10. Free amines can also be derivatized as amides, sulfonamides or phosphonamides. All these prodrug moieties may incorporate groups that include, but are not limited to, ether, amine and carboxylic acid functional groups. The preparation of the compounds of the present invention is illustrated in the following Schemes.
The preparation of the compounds of formula 4 follows the above scheme. The 6-deoxy erythromycin A3 is treated with ethylene carbonate in toluene in the presence of a base, such as potassium carbonate at 100 to 110 ° C. The resulting allyl alcohol 3a is converted to alcohol 3b to C-3 by treatment with 2N hydrochloric acid in ethanol. This diol 3b is oxidized selectively with the Dess-Martin reagent giving the ketoderivative 3c in C-3. The cyclic carbamate 12 in C-11 is installed using a conventional procedure by the following chemical sequence: (1) treatment of the alicyclic alcohol 3c with carbonyl diimidazole in the presence of potassium carbonate forming the intermediate acyl imidazole 3d and (2) treatment of 3d with an amine or hydrazine in a polar solvent such as acetonitrile from 40 to 80 ° C, providing the final product 4. The starting materials and / or the final compounds of formula 1 in which R9 is a residue other than ethyl, within the R9 definition illustrated above, can be prepared as described in published PCT applications WO 98/01571, published January 15, 1998 and WO 98/01546 published January 15, 1998. Other specific procedures that relate to the synthesis of the compounds of the present invention are cited in the PCT international patent application with publication number WO 98/38199 (published September 3, 1998), patent application PCT international publication number WO 98/56800 (published December 17, 1998), United States provisional patent application number 60 / 101,263 (filed September 22, 1998) and international PCT patent application complementary n Serial number PCT / IB99 / 01502, filed on September 3, 1999, United States provisional patent application number 60 / 111,728 (filed December 10, 1998), European patent application number EP 487,411 and patent application European number EP 799,833. In the above schemes, all the substituents are as defined for the formula? cited above, unless otherwise indicated. The starting materials may or may not require appropriate protection of the functional group before various modifications take place and deprotection after the desired modifications are completed. The hydroxyl groups are generally protected in the form of acetates, Cbz carbonates or a trialkylsilyl group. The hydroxyl group at the C-2 'position is a potentially reactive hydroxyl group among the numerous hydroxyl groups present in the macrolide compounds of the type claimed herein. The C-2 'hydroxyl group is selectively protected by treating the compound with one equivalent of acetic anhydride in dichloromethane in the absence of an external base. This process selectively converts the hydroxyl group to C-2 'in the corresponding acetate. The hydroxyl protecting group can be removed by treating the compound with methanol at a temperature ranging from about 0 ° C to 40 ° C to about 65 ° C for 10 to 48 hours. Other protection methods and selective deprotection will be known to those skilled in the art. As seen in formula I, the compounds of the invention include such protected compounds, for example, when R is not H. With reference to the following Scheme, the compound of formula 5, wherein R 10 is a halogen group and the remainder of substituents are as defined above, can be prepared by treating the compound of formula 4 by the sequence: (1) protection at C-2 ', such as acetylation with acetic anhydride, (2) treatment with a base, such as sodium hydride potassium hydride, potassium hexamethyldisilazide (KHMDS), pyridine, sodium carbonate or lithium diisopropylamide, preferably KHMDS and a halogenating agent, such as N-fluorobenzenesulfoimide, SELECTFLUOR (sold by Air Products and Chemicals, Inc., Allentown, Pennsylvania, United States of America) for fluorination, pyridinium tribromide or cyanogen bromide for bromination, or hexachloroethane for chlorination, in a solvent such as N, N-dimethylformamide (DMF), tetra Hydrofuran (THF), CH2Cl2 or N-methylpyrrolidone, or a mixture of the above solvents, preferably DMF. The reaction temperature, which depends greatly on the reagent used, can vary from -78 ° C to 60 ° C; and (3) deprotection of C-2 'to give compound 6 by treatment with methanol. The compound of formula 6 corresponds to the compound of formula 1 in which R 8 H.
The compounds of the present invention can have asymmetric carbon atoms. Such mixtures of diastereomers can be separated into their individual diastereomers on the basis of their physicochemical differences by methods known to those skilled in the art, for example, by chromatography or fractional crystallization. The enantiomers can be separated by converting the enantiomer mixtures into a mixture of diastereomers by reaction with an appropriate optically active compound (e.g., an alcohol), separating the diastereomers and converting (e.g., by hydrolysis) the individual diastereomers to the pure enantiomers. corresponding. Such isomers, including mixtures of diastereomers and pure enantiomers, are all considered part of the invention. Any compound of formula 1 that is basic in nature can form a wide variety of different salts with various inorganic and organic acids. Although such salts have to be pharmaceutically acceptable for administration to animals, it is often desirable in practice to initially isolate the compound of formula? of the reaction mixture in the form of a pharmaceutically unacceptable salt and then simply converting the latter into the free base compound by treatment with an alkaline reagent, and then converting the above free base to a pharmaceutically acceptable acid addition salt. The acid addition salts of the basic compounds of this invention are readily prepared by treating the basic compound with a substantially equivalent amount of the chosen mineral or organic acid, in an aqueous solvent medium or in a suitable organic solvent, such as methanol or ethanol. After careful evaporation of the solvent, the desired solid salt is easily obtained. The desired acid salt can also be precipitated in a solution of the free base in an organic solvent, by adding an appropriate mineral or organic acid to the solution. Any compound of formula 1 that is acidic in nature can form base salts with various pharmacologically acceptable cations. Examples of such salts include the alkali metal or alkaline earth metal salts and, particularly, the sodium and potassium salts. These salts can be prepared by conventional techniques. The chemical bases which are used as reagents for preparing the pharmaceutically acceptable base salts of this invention are those which form non-toxic base salts with the acidic compounds of formula. Such non-toxic base salts include those derived from pharmacologically acceptable cations such as sodium, potassium, calcium, magnesium and the like. These salts can be easily prepared by treating the corresponding acidic compounds with an aqueous solution containing the desired pharmacologically acceptable cations and then evaporating the resulting solution to dryness, preferably under reduced pressure. Alternatively, they can also be prepared by mixing lower alkanol solutions of the acidic compounds and the desired alkali metal alkoxide together and then evaporating the resulting solution to dryness in the same manner as indicated above. In any case, stoichiometric amounts of the reagents are preferably employed to ensure that the reaction is completed and that the maximum yields of the desired final product are obtained. The activity of the compounds of the present invention against bacterial and protozoan pathogens is demonstrated by the ability of the compounds to inhibit the development of defined strains of human pathogens (Test I) or animals (Tests II and III).
Test I Test I, described below, employs conventional methodology and interpretation criteria and is designed to assess the ability of compounds to act against pathogenic strains and, especially against strains resistant to macrolides. In trial I, a group of bacterial strains is assembled, including a diversity of target pathogenic species, including representatives of mechanisms of resistance to macrolides that have been characterized. The use of this group allows to establish the chemical structure / activity relation with respect to the pharmacological potency, spectrum of activity and structural elements or modifications that may be necessary to circumvent the mechanisms of resistance. The bacterial pathogens included in the tracking group are shown in the following table. In many cases, both the macrolide-sensitive parental strain and the macrolide-resistant strain derived therefrom are available to provide a more accurate assessment of the ability of the compounds to circumvent the resistance mechanism. Strains containing the gene with the name ermA / ermB / ermC are resistant to macrolide antibiotics, lincosamides and streptogramin B, due to modifications (methylation) of the 23S rRNA molecules by an Erm methylase, which usually prevents the binding for the three classes of antibiotics. Two types of macrolide expulsion have been described; msrA encodes a component of an expulsion system in staphylococci that prevents the entry of macrolides and streptogramins, while mefA / E encodes a transmembrane protein that seems to expel only macrolides. Inactivation of macrolide antibiotics can occur and can be induced by 2'-hydroxyl phosphorylation (mph) or by cleavage of macrocyclic lactone (esterase). The strains can be characterized using conventional polymerase chain reaction (PCR) technology and / or by sequencing the resistance determinant. The use of PCR technology in this application is described in J. Sutcliffe et al., "Detection of Erythromycin-Resistant Determinants by PCR", Antimicrobial Agents and Chemotherapy, 40 (11), 2562-2566 (1996). The assay is performed in microtiter trays and interpreted according to the standards Performance Standards for Antimicrobial Disk Susceptibility Tests - Sixth Edition; Approved Standard, published by The National Committee for Clinical Laboratory Standards (NCCLS); To compare the strains, the minimum inhibitory concentration (MIC) is used. The compounds are initially dissolved in dimethylsulfoxide (DIVISO) as stock solutions 40 mg / ml.
Assay II is used to determine activity against Pasteurella multocida and Assay III is used to determine activity against Pasteurella haemolytica.
Test This test is based on the method of dilution with liquids in microliter format. A single colony of P. multocida (strain 59A067) is inoculated in 5 ml of brain-heart infusion broth (BHI). The test compounds are prepared by solubilizing 1 mg of the compound in 125 μl of dimethylsulfoxide (DMSO). Dilutions of the test compound are prepared using uninoculated BHI broth. The concentrations of the test compound used range from 200 μg / ml to 0.098 μg / ml in serial dilutions in half. The BHI inoculated with P. multocida is diluted with non-inoculated BHI broth to obtain a suspension of 104 cells per 200 μl. The cell suspensions in BHI are mixed with the respective serial dilutions of the test compound and incubated at 37 ° C for 18 hours. The minimum inhibitory concentration (MIC) is equal to the concentration of the compound exhibiting a 100% inhibition of the development of P. multocida, as determined by comparison with a non-inoculated control.
Test lll This assay is based on the agar dilution procedure using a Steers replicator. Two to five colonies isolated from an agar plate in BHI broth are inoculated and incubated overnight at 37 ° C with shaking (200 rpm). The next morning, 300 μl of the previously grown P. haemolytica culture is inoculated in 3 ml of fresh BHI broth and the mixture is incubated at 37 ° C with shaking (200 rpm). The appropriate amounts of the test compounds are dissolved in ethanol and a series of serial dilutions are prepared in half. Two ml of the respective serial dilution is mixed with 18 ml of molten BHI agar and solidified. When the inoculated P. haemolytica culture reaches a standard McFarland density of 0.5, approximately 5 μl of the P. haemolytica culture is inoculated on BHI agar plates containing the various concentrations of the test compound using a Steers Replicator and incubate for 18 hours at 37 ° C. The initial concentrations of the test compound vary from 100 to 200 μg / ml. The MIC is equal to the concentration of the test compound which shows a 100% inhibition of the development of P. haemolytica, as determined by comparison with a non-inoculated control. The in vivo activity of the compounds of formula? it can be determined by conventional animal protection studies well known to those skilled in the art, usually carried out in mice. Below is a description of said study. The mice are divided into cages (10 per cage) after arrival and allowed to acclimate for a minimum of 48 hours before being used. The animals are inoculated with 0.5 ml of a bacterial suspension of 3 x 103 colony forming units (CFU) / ml (strain 59A006 of P. multocida) intraperitoneally. Each experiment has at least three non-medicated control groups that include one infected with a 0.1X inoculation dose and two infected with a 1X inoculation dose; a data set of a 10X inoculation was also used. In general, all mice can be inoculated in a given study over a period of 30 to 90 minutes, especially if a repeating syringe (such as a Cornwall® syringe) is used to administer the inoculation dose. Thirty minutes after beginning the inoculation, the first treatment with compound is administered. The routes of administration are subcutaneous or oral doses. Subcutaneous doses were administered to the flaccid skin of the back of the neck, while oral doses were administered via a feeding needle. In both cases, a volume of 0.2 ml per mouse is used. The compounds are administered 30 minutes, 4 hours and 24 hours after inoculation. A control compound of known efficacy administered by the same route is included in each assay. The animals are observed daily and the number of survivors in each group is noted. The control of the P. multocida model continues for 96 hours (four days) after inoculation. PD50 is a calculated dose at which the test compound protects 50% of a group of mice from mortality due to bacterial infection, which would be fatal in the absence of drug treatment. The compounds of formula 1, and the pharmaceutically acceptable salts and solvates thereof ("hereinafter" the active compounds "), can be administered orally, parenterally, topically or rectally, in the treatment or prevention of bacterial or protozoal infections In general, these compounds are administered in the most desirable manner in doses ranging from about 0.2 mg per kg of body weight and per day (mg / kg / day) to about 200 mg / kg / day in a single dose or in divided doses (ie, from 1 to 4 doses per day) although variations will necessarily occur depending on the species, weight and condition of the subject to be treated and the particular route of administration chosen, however, it is most desirable to use a dosage level which is in the range of about 4 mg / kg / day to about 50 mg / kg / day.However, variations will occur depending on the species of mammal, fish or bird to be treated and its response ind ividual to said medicament, as well as the type of pharmaceutical formulation chosen and the period of time and interval in which said administration is carried out. In some cases, lower dosage levels than the lower limit of the range mentioned above may be more than adequate, while, in other cases, even higher doses may be employed without causing any untoward side effects, provided that such larger doses are first divided into several small doses to be administered throughout the day. The active compounds can be administered alone or in combination with pharmaceutically acceptable carriers or diluents by the routes indicated previously, and said administration can be carried out in a single dose or in multiple doses. More particularly, the active compounds can be administered in a wide variety of different dosage forms, that is, they can be combined with various inert pharmaceutically acceptable carriers in the form of tablets, capsules, tablets, dragees, hard candies, powders, sprays, creams, ointments , suppositories, jellies, gels, pastes, lotions, ointments, aqueous suspensions, injectable solutions, elixirs, syrups and the like. Such vehicles include solid diluents or fillers, sterile aqueous media and various non-toxic organic solvents, etc. In addition, oral pharmaceutical compositions can be conveniently sweetened and / or flavored. In general, the active compounds are present in such dosage forms at concentration levels ranging from about 5.0% to about 70% by weight. For oral administration, tablets containing various excipients such as microcrystalline cellulose, sodium citrate, calcium carbonate, dicalcium phosphate and glycine, together with various disintegrants such as starch (and preferably corn starch, potato or tapioca), alginic acid and certain complex silicates, together with granulation binders such as polyvinylpyrrolidone, sucrose, gelatin and gum arabic. In addition, lubricating agents such as magnesium stearate, sodium lauryl sulfate and talc are often very useful for forming tablets. Solid compositions of a similar type can also be employed as fillers in gelatin capsules; also including the preferred materials in this respect lactose or milk sugar, as well as high molecular weight polyethylene glycols. When aqueous suspensions and / or elixirs are desired for oral administration, the active compound can be combined with various sweetening or flavoring agents, coloring materials or pigments and, if desired, emulsifying and / or suspending agents, together with diluents such as water. , ethanol, propylene glycol, glycerin and various combinations thereof. For parenteral administration, solutions of an active compound in sesame or peanut oil or in aqueous propylene glycol can be employed. The aqueous solutions should be buffered conveniently (preferably with a pH greater than 8) if necessary and the liquid diluent must first be made isotonic. These aqueous solutions are suitable for intravenous injection purposes. Oily solutions are suitable for intra-articular, intramuscular and subcutaneous injection purposes. The preparation of all these solutions under sterile conditions is easily accomplished by conventional pharmaceutical techniques well known to those skilled in the art. In addition, it is also possible to administer the active compounds of the present invention topically and this can be done by means of creams, jellies, gels, pastes, patches, ointments and the like, in accordance with conventional pharmaceutical practice. For administration to animals other than humans, such as cattle or domestic animals, the active compounds can be administered in animal feed or orally in the form of potions. The active compounds can also be administered in the form of liposome delivery systems, such as small unilamellar vesicles, large unilamellar vesicles and multilamellar vesicles. Liposomes can be formed from a variety of phospholipids, such as cholesterol, stearylamine or phosphatidylcholines. The active compounds can also be associated with soluble polymers, such as targetable drug vehicles. Such polymers may include polyvinylpyrrolidone, pyran copolymers, polyhydroxypropylmethacrylamide-phenyl, polyhydroxyethylaspartamide-phenol or poly (ethylene oxide) -polylysine substituted with palmitoyl residues. In addition, the active compounds can be associated with a class of biodegradable polymers useful for achieving controlled release of a drug, for example, poly (lactic acid), poly (glycolic acid), copolymers of poly (lactic acid) and poly (glycolic acid). ), poly (epsilon caprolactone), poly (hydroxybutyric acid), polyorthoesters, polyacetals, polydihydropyrans, polycyanoacrylates and cross-linked or amphipathic block copolymers of hydrogels. The present invention is illustrated by the following examples, which are intended to exemplify and not limit the scope of the invention.
EXAMPLE 1
It was placed in a round bottom flask equipped with a Dean-Stock 6-deoxyrithromycin A water removal apparatus (718 mg, 1 mmol), ethylene carbonate (8.5 mmol) and potassium carbonate (5 mmol) and Benzene (20 ml). The mixture was refluxed for 3.5 hours. After cooling, the mixture was decanted, diluted with ethyl acetate and washed with water and saturated sodium chloride. Drying over magnesium sulfate and evaporation to dryness gave the corresponding 10,11-dehydrogenated product (602 mg, 86%, Mass spectrum: 701, M + H +).
EXAMPLE 2
The product of Example 1 (600 mg, 0.86 mmol) was dissolved in ethanol (1 ml) and treated with 2N aqueous HCl (1 ml) at room temperature for 16 hours. The reaction was made basic with 5M sodium hydroxide and extracted with dichloromethane (3 x 20 ml). Drying over potassium carbonate, evaporation and purification by chromatography on silica gel using 4% methanol-methylene chloride containing 0.3% concentrated ammonium hydroxide provided the corresponding C-3 alcohol as a white foam (311 mg, 67%; Mass spectrum: 542 M + H +).
EXAMPLE 3
The product of Example 2 (300 mg, 0.55 mmol) was dissolved in dichloromethane (5 ml) and treated with acetic anhydride (1.05 equivalents). The resulting mixture was stirred at room temperature for 16 hours before introducing water. The reaction mixture was poured into 5% aqueous sodium carbonate solution (20 ml) and extracted with dichloromethane (3 x 20 ml). The combined organic phase was washed with brine, dried over potassium carbonate and concentrated in vacuo. Purification by chromatography on silica gel using 3% methanol in dichloromethane containing concentrated 0.3% ammonium hydroxide afforded the corresponding 2"-acetate (323 mg, 100%; Mass spectrum: 584 M + H +).
EXAMPLE 4
The alcohol obtained in Example 3 (323 mg, 0.55 mmol) was dissolved in dichloromethane (5 ml). Dess-Martin reagent (1.5 equivalents) was added and the resulting mixture was stirred at room temperature for 2 hours before introducing 5% sodium carbonate. After stirring for 15 minutes, the layers were separated and the aqueous phase was extracted with dichloromethane (3 x 20 ml). The combined organic extracts were washed with brine, dried over potassium carbonate and concentrated to give the corresponding C-3 ketone (320 mg, 100%, Mass spectrum: 583 (M + H +).
EXAMPLE 5
The product of Example 4 (320 mg, 0.55 mmol) was dissolved in dichloromethane (5 ml). N, N'-carbonyl diimidazole (5 equivalents) and potassium carbonate (3 equivalents) were added. The resulting reaction mixture was stirred at room temperature for 16 hours before adding water. After stirring for 15 minutes, the layers were separated and the aqueous phase was extracted with dichloromethane (3 x 20 ml). The combined organic phase was washed with brine, dried over potassium carbonate and concentrated to dryness yielding the corresponding 12-acyl imidazole derivative (370 mg, 100%; Mass spectrum: 676 M + H +).
EXAMPLE 6
The product of Example 5 (370 mg, 0.55 mmol) was dissolved in acetonitrile (5 ml) and then hydrazine monohydrate (5 equivalents) was added. The reaction was heated to reflux for 12 hours. After cooling to room temperature, the mixture was poured into 5% sodium carbonate and extracted with dichloromethane (3 x 20 ml). The combined extracts were washed with brine, dried over potassium carbonate, concentrated in vacuo and purified by chromatography on silica gel using 5% methanol in dichloromethane containing 0.4% concentrated ammonium hydroxide to give carbazate 11, 12-corresponding cyclic (220 mg, 67%; Mass spectrum: 598, M + H).
EXAMPLE 7
The product of Example 6 (220 mg, 0.37 mmol) was dissolved in ethanol (3 ml) and benzyloxyamine hydrochloride (10 equivalents) was added. After refluxing for 6 hours, the mixture was cooled to room temperature and water was introduced. The pH was adjusted to 9 by the addition of 1N sodium hydroxide. The mixture was extracted with dichloromethane (3 x 20 ml) and the combined extracts were washed with brine. Drying over potassium carbonate, evaporation of the solvent and purification by chromatography on silica gel using 5% methanol in dichloromethane containing concentrated 0.3% ammonium hydroxide provided the corresponding C-9 benzoyloxime (129 mg, 55%; Mass spectrum: 703 M + H +).
EXAMPLE 8
The corresponding C-9 methoxime was prepared in a 35% yield (Mass spectrum: 728 (M + H +) following the procedure described in Example 7 and using methoxylamine.
EXAMPLE 9
The product of Example 7 (120 mg, 0.17 mmol) was dissolved in acetic acid and acetonitrile (ratio 5: 1, 1 ml). 3-Quinolin-4-yl-propyl aldehyde (1.2 equivalents) and sodium cyanoborohydride (1.2 equivalents) were added. After stirring at room temperature for 0.5 hour, water was added and the mixture was stirred for 20 minutes. Extraction with dichloromethane (3 x 20 ml), washing the extracts with brine, drying over potassium carbonate, concentrating and purifying on silica gel using 5% methanol in dichloromethane containing 0.3% concentrated ammonium hydroxide afforded the product N - corresponding alkyl (98 mg, 66%; Mass spectrum: 873 M + H +).
EXAMPLE 10
Following the procedure described in Example 9 and using the product of Example 8, the corresponding C-9 methoxime was prepared in 50% yield (Mass spectrum: 796 (M + H +).
EXAMPLE 11
Following the procedure described in Example 9 and using the product of Example 6, the corresponding C-9 ketone was prepared in 88% yield.
EXAMPLE 12
The product of Example 11 (100 mg, 0.13 mmol) was dissolved in dichloromethane and treated with acetic anhydride (1.05 equivalents) at room temperature for 12 hours. The resulting reaction mixture was poured into 5% sodium carbonate and extracted with dichloromethane (3 x 20 ml). The combined extracts were washed with brine, dried over potassium carbonate and concentrated to dryness affording the corresponding 2 'acetate (105 mg, 100%; Mass spectrum: 810, M + H +).
EXAMPLE 13
The product of Example 12 (105 mg, 0.13 mmol) was dissolved in
DMF, cooled to -50 ° C. Sodium hydride (2 equivalents, 60% in oil) and SelecFluor (1.05 equivalents) were added sequentially. After two hours, water was added and the reaction was allowed to warm to room temperature. The mixture was poured into 5% sodium carbonate and extracted with ethyl acetate (3 x 20 ml). The combined extracts were washed with water and brine, dried over sodium sulfate, concentrated and purified by chromatography on silica gel using 5% methanol in dichloromethane containing 0.3% concentrated ammonium hydroxide to give the fluorinated derivative C -2 corresponding (92 mg, 86%; Mass spectrum: 828, M + H +).
EXAMPLE 14
The product of Example 13 (92 mg, 0.11 mmol) was dissolved in methanol and allowed to stand for 16 hours. The concentration provided the corresponding 2 'alcohol (87 mg, 100%, Mass spectrum: 786 M + H +). Having described the invention as above, the contents of the following are declared as property
Claims (7)
1. - A compound of formula or one of its pharmaceutically acceptable salts, prodrugs and solvates, wherein: X1 is O, -CR4R5- or -NR4-; R1 is H or C1-C10 alkyl, with from 1 to 3 carbon atoms of said alkyl optionally replaced by a heteroatom selected from O, S and -N (R4) -, and said alkyl being optionally substituted with 1 to 3 selected substituents independently of the group consisting of -C- (0) O (C1-C10 alkyl), C1-C10 alkoxy, C1-C10 alkanoyl, halogen, nitro, cyano, 4- to 10-membered heterocycle, C1-C10 alkyl, -NR4R5, aryl Ce-Cio, -S (O) n (C1-C10 alky), where n is an integer ranging from 0 to 2 and -SO2NR4R5; R2 is - (CR4R5) p (4- to 10-membered heterocycle) or - (CRR5) n (Ce-Cι aryl), where n is an integer from 0 to 6, being from 1 to 3 groups R4 or R5 of the remainder - (CR R) n- of the above R2 groups optionally substituted with a halogen substituent, and the heterocyclic and aryl residues of the groups being Previous R2 optionally substituted with 1 to 4 R3 groups; each R3 is independently selected from halogen, cyano, nitro, trifluoromethoxy, trifluoromethyl, azido, hydroxy, Ci-Ce alkoxy, C1-C10 alkyl, C2-Ce alkenyl, C2-C6 alkynyl, -C (O) R6 -C (O) OR6 -OC (O) R6 -NR6C (O) R7, -NR6-C (O) NR1R7, - NR6C (O) OR7, -C (O) NR6R7, -NR6R7, -NR6OR7, -SO2-NR6R7, -S (0) j (alkyl d-Ce), where j is an integer from 0 to 2, - (CR R (Ce-Cryl aryl), - (CR4R5 (4- to 10-membered heterocycle), - (CR4R5) qC (O) (CR4R5) t (Ce-Cι aryl), - (CR4R5) qC (0) (CR4R5> (4- to 10-membered heterocycle), - (CR4- R5 0 (CR4R5) q (aryl Ce-Cio), - (CR4-R5) tO (CR4R5) q (heyerocycle) from 4 to 10 members), - (CR4R5) q-SO2 (CR4R5) t (aryl Ce-Cio) and - (CR4R5) q- S02 (CR4R5) t (4 to 10 membered heterocycle), each of q and t being, independently, an integer from 0 to 5, with 1 or 2 atoms being ring carbon of the heterocyclic moieties of the above R3 groups optionally substituted with an oxo moiety (= 0) and, with the alkyl, alkenyl, alkynyl, aryl and heterocyclic moieties of the above R3 groups optionally substituted with 1 to 3 substituents independently selected from halogen, cyano, nitro, trifluoromethyl, trifluoromethoxy, azido, -OR6, -C (0) R6 -C (0) -OR6, -OC (O) R6, -NR6C (O) R7, -C (O) NR6R7, -N-R6R7, -NR6OR7, Ci alkyl -Ce, C2-Ce alkenyl, C2-C6 alkynyl, - (CR4R5 (Ce-Cio aryl) and - (CR R5) t (heterocycle of 4 to 10 members), where t is an integer from 0 to 5; each of R4 and R5 is independently selected from H and Ci-Ce alkyl; or R4 and R5 taken together form a C3-C7 carbocycle or a 4- to 10-membered heterocyclic ring; each of R6 and R7 is independently selected from H, C? -C6 alkyl, - (CR4R5) t (Ce-Cryl aryl), and - (CR4R5) t- (4- to 10-membered heterocycle), where t is an integer from 0 to 5, with 1 or 2 carbon atoms of the ring of the heterocyclic group being optionally substituted with an oxo moiety (= O), and the alkyl, aryl and heterocyclic moieties of the above groups R6 and R7 being optionally substituted with 1 to 3 substituents, independently selected from halogen, cyano, nitro, -NR4R5, trifluoromethyl, trifluoromethoxy, Ci-Ce alkyl, C2-Ce alkenyl, C2-Ce alkynyl, hydroxy and Ci-Ce alkoxy; R8 is H, -C (O) (Ci-Ce alkyl), benzyl, benzyloxycarbonyl or (C 1 -Ce) alkyl 3-silyl; R9 is H, C1-C10 alkyl; C2-C4 alkenyl; or C2-C4 alkenyl; and 10 R is selected from chlorine, bromine, iodine, fluoro and cyano.
2. A compound according to claim 1, which has the formula or one of its pharmaceutically acceptable salts, prodrugs or solvates, wherein R 11, R 12, R 13 and R 14 are each independently selected from H, halogen, methyl and ethyl.
3. A compound according to claim 2, wherein R13 and R14 are both H and each of R11 and R12 is independently selected from H and methyl.
4. A compound according to claim 2, wherein each of R11, R12, R13 and R14 is H.
5. A pharmaceutical composition for the treatment of a disorder selected from a bacterial infection or a protozoal infection, and a disorder related to a bacterial infection or a protozoal infection in a mammal, fish or bird, which comprises a therapeutically effective amount of a compound according to claim 1, and a pharmaceutically acceptable carrier.
6. - The use of a compound as claimed in claim 1 for the manufacture of a medicament for treating a disorder selected from a bacterial infection or a protozoal infection, and a disorder related to a bacterial or protozoal infection in a mammal, fish or bird.
7. A process for preparing a compound according to claim 1, wherein R is chlorine, bromine, iodine or fluoro, which comprises treating a compound of formula with a halogenation agent.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60/186,970 | 2000-03-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
MXPA01002355A true MXPA01002355A (en) | 2002-06-05 |
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